Home / 21,571.05-32,356.59-6,781.26

Finding the Fourth Proportional to 21,571.05, 32,356.59 and 6,781.26

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Solution

The fourth proportional to 21,571.05, 32,356.59 and 6,781.26 is: 10,171.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,571.05 : 32,356.59 = 6,781.26 : x
  2. Step 2: Convert to fraction form
    21,571.05/32,356.59 = 6,781.26/x
  3. Step 3: Cross multiply
    21,571.05x = 32,356.59 × 6,781.26
  4. Step 4: Simplify right side
    21,571.05x = 219,418,449.50
  5. Step 5: Solve for x
    x = 219,418,449.50/21,571.05
  6. Step 6: Final answer
    x = 10,171.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.